- All sections
- C - Chemistrymetallurgy
- C22C - Alloys
- C22C 21/02 - Alloys based on aluminium with silicon as the next major constituent
Patent holdings for IPC class C22C 21/02
Total number of patents in this class: 1986
10-year publication summary
|
166
|
166
|
134
|
124
|
134
|
127
|
169
|
170
|
136
|
58
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| UACJ Corporation | 732 |
102 |
| Novelis Inc. | 777 |
90 |
| Constellium Neuf-brisach | 139 |
57 |
| Nippon Light Metal Company, Ltd. | 682 |
54 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2830 |
52 |
| ArcelorMittal | 2656 |
51 |
| Nippon Steel Corporation | 6839 |
46 |
| Arconic Technologies LLC | 236 |
39 |
| The Furukawa Electric Co., Ltd. | 3700 |
35 |
| Resonac Corporation | 3503 |
32 |
| POSCO Co., Ltd. | 1997 |
30 |
| Novelis Koblenz GmbH | 84 |
24 |
| GM Global Technology Operations LLC | 16087 |
23 |
| Aleris Rolled Products Germany GmbH | 61 |
23 |
| Showa Denko K.K. | 2075 |
22 |
| ThyssenKrupp Steel Europe AG | 989 |
20 |
| BYD Company Limited | 6430 |
18 |
| Constellium SINGEN GmbH | 109 |
17 |
| Federal-Mogul Nurnberg GmbH | 130 |
17 |
| Furukawa Automotive Systems Inc. | 604 |
17 |
| Other owners | 1217 |